Actually, I wouldn't mind for a small bit of plot device if Yui-ojousama visits the booth and wants to be served personally by "the master" himself. Wonder what Mercury will tell Ayumi since she's a snarky goddess.

When Diana and Mercury meet, they would be two different poles of a magnet and trade barbs regarding whose vessel is Keima's first love.

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When three puppygirls named after pastries are on top of each other, it is called Eclair a'la menthe et Biscotti aux fraises avec beaucoup de Ricotta sur le dessus.
Most of all, you have to be disciplined and you have to save, even if you hate our current financial system. Because if you don't save, then you're guaranteed to end up with nothing.